Home / 172,413,723.60-258,620,585.40-153,707,000.40

Finding the Fourth Proportional to 172,413,723.60, 258,620,585.40 and 153,707,000.40

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Solution

The fourth proportional to 172,413,723.60, 258,620,585.40 and 153,707,000.40 is: 230,560,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,413,723.60 : 258,620,585.40 = 153,707,000.40 : x
  2. Step 2: Convert to fraction form
    172,413,723.60/258,620,585.40 = 153,707,000.40/x
  3. Step 3: Cross multiply
    172,413,723.60x = 258,620,585.40 × 153,707,000.40
  4. Step 4: Simplify right side
    172,413,723.60x = 39,751,794,423,526,040
  5. Step 5: Solve for x
    x = 39,751,794,423,526,040/172,413,723.60
  6. Step 6: Final answer
    x = 230,560,500.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.